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                                <h2 id="&#x89E3;&#x6790;-elf-&#x6587;&#x4EF6;&#x5E76;&#x521B;&#x5EFA;&#x7EBF;&#x7A0B;">&#x89E3;&#x6790; ELF &#x6587;&#x4EF6;&#x5E76;&#x521B;&#x5EFA;&#x7EBF;&#x7A0B;</h2>
<p>&#x5728;&#x4E4B;&#x524D;&#x5B9E;&#x73B0;&#x5185;&#x6838;&#x7EBF;&#x7A0B;&#x65F6;&#xFF0C;&#x6211;&#x4EEC;&#x53EA;&#x9700;&#x8981;&#x4E3A;&#x7EBF;&#x7A0B;&#x6307;&#x5B9A;&#x4E00;&#x4E2A;&#x8D77;&#x59CB;&#x4F4D;&#x7F6E;&#x5C31;&#x591F;&#x4E86;&#xFF0C;&#x56E0;&#x4E3A;&#x6240;&#x6709;&#x7684;&#x4EE3;&#x7801;&#x90FD;&#x5728;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x4E4B;&#x4E2D;&#x3002;&#x4F46;&#x662F;&#x73B0;&#x5728;&#xFF0C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x4ECE; ELF &#x6587;&#x4EF6;&#x4E2D;&#x52A0;&#x8F7D;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x7684;&#x4EE3;&#x7801;&#x548C;&#x6570;&#x636E;&#x4FE1;&#x606F;&#xFF0C;&#x5E76;&#x4E14;&#x6620;&#x5C04;&#x5230;&#x5185;&#x5B58;&#x4E2D;&#x3002;</p>
<p>&#x5F53;&#x7136;&#xFF0C;&#x6211;&#x4EEC;&#x4E0D;&#x9700;&#x8981;&#x81EA;&#x5DF1;&#x5B9E;&#x73B0; ELF &#x6587;&#x4EF6;&#x89E3;&#x6790;&#x5668;&#xFF0C;&#x56E0;&#x4E3A;&#x6709; <code>xmas-elf</code> &#x8FD9;&#x4E2A; crate &#x66FF;&#x6211;&#x4EEC;&#x5B9E;&#x73B0;&#x4E86; ELF &#x7684;&#x89E3;&#x6790;&#x3002;</p>
<h3 id="xmas-elf-&#x89E3;&#x6790;&#x5668;"><code>xmas-elf</code> &#x89E3;&#x6790;&#x5668;</h3>
<p>tips&#xFF1A;&#x5982;&#x679C; IDE &#x65E0;&#x6CD5;&#x5BF9;&#x5176;&#x4E2D;&#x7684;&#x7C7B;&#x578B;&#x8FDB;&#x884C;&#x63A8;&#x65AD;&#xFF0C;&#x53EF;&#x4EE5;&#x5728; rustdoc &#x4E2D;&#x627E;&#x5230;&#x8BE5; crate &#x8FDB;&#x884C;&#x67E5;&#x9605;&#x3002;</p>
<h4 id="&#x8BFB;&#x53D6;&#x6587;&#x4EF6;&#x5185;&#x5BB9;">&#x8BFB;&#x53D6;&#x6587;&#x4EF6;&#x5185;&#x5BB9;</h4>
<p><code>xmas-elf</code> &#x9700;&#x8981;&#x5C06; ELF &#x6587;&#x4EF6;&#x9996;&#x5148;&#x8BFB;&#x53D6;&#x5230;&#x5185;&#x5B58;&#x4E2D;&#x3002;&#x5728;&#x4E0A;&#x4E00;&#x7AE0;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x7684;&#x57FA;&#x7840;&#x4E0A;&#xFF0C;&#x6211;&#x4EEC;&#x5F88;&#x5BB9;&#x6613;&#x4E3A; <code>INode</code> &#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x5C06;&#x6574;&#x4E2A;&#x6587;&#x4EF6;&#x4F5C;&#x4E3A; <code>[u8]</code> &#x8BFB;&#x53D6;&#x51FA;&#x6765;&#x7684;&#x65B9;&#x6CD5;&#xFF1A;</p>
<p></p><p class="code-label">os/src/fs/inode_ext.rs</p><p></p>
<pre><code class="lang-rust"><span class="hljs-function"><span class="hljs-keyword">fn</span> <span class="hljs-title">readall</span></span>(&amp;<span class="hljs-keyword">self</span>) -&gt; <span class="hljs-built_in">Result</span>&lt;<span class="hljs-built_in">Vec</span>&lt;<span class="hljs-keyword">u8</span>&gt;&gt; {
    <span class="hljs-comment">// &#x4ECE;&#x6587;&#x4EF6;&#x5934;&#x8BFB;&#x53D6;&#x957F;&#x5EA6;</span>
    <span class="hljs-keyword">let</span> size = <span class="hljs-keyword">self</span>.metadata()?.size;
    <span class="hljs-comment">// &#x6784;&#x5EFA; Vec &#x5E76;&#x8BFB;&#x53D6;</span>
    <span class="hljs-keyword">let</span> <span class="hljs-keyword">mut</span> buffer = <span class="hljs-built_in">Vec</span>::with_capacity(size);
    <span class="hljs-keyword">unsafe</span> { buffer.set_len(size) };
    <span class="hljs-keyword">self</span>.read_at(<span class="hljs-number">0</span>, buffer.as_mut_slice())?;
    <span class="hljs-literal">Ok</span>(buffer)
}
</code></pre>
<h3 id="&#x89E3;&#x6790;&#x5404;&#x4E2A;&#x5B57;&#x6BB5;">&#x89E3;&#x6790;&#x5404;&#x4E2A;&#x5B57;&#x6BB5;</h3>
<p>&#x5BF9;&#x4E8E; ELF &#x4E2D;&#x7684;&#x4E0D;&#x540C;&#x5B57;&#x6BB5;&#xFF0C;&#x5176;&#x5B58;&#x653E;&#x7684;&#x5730;&#x5740;&#x901A;&#x5E38;&#x662F;&#x4E0D;&#x8FDE;&#x7EED;&#x7684;&#xFF0C;&#x540C;&#x65F6;&#x5176;&#x6743;&#x9650;&#x4E5F;&#x4F1A;&#x6709;&#x6240;&#x4E0D;&#x540C;&#x3002;&#x6211;&#x4EEC;&#x5229;&#x7528; <code>xmas-elf</code> &#x5E93;&#x4E2D;&#x7684;&#x63A5;&#x53E3;&#xFF0C;&#x4FBF;&#x53EF;&#x4EE5;&#x4ECE;&#x8BFB;&#x51FA;&#x7684; ELF &#x6587;&#x4EF6;&#x4E2D;&#x5BF9;&#x5E94;&#x5EFA;&#x7ACB; <code>MemorySet</code>&#x3002;</p>
<p>&#x6CE8;&#x610F;&#x5230;&#xFF0C;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x4E5F;&#x4F1A;&#x9996;&#x5148;&#x6620;&#x5C04;&#x6240;&#x6709;&#x5185;&#x6838;&#x6001;&#x7684;&#x7A7A;&#x95F4;&#xFF0C;&#x5426;&#x5219;&#x5C06;&#x65E0;&#x6CD5;&#x8FDB;&#x884C;&#x4E2D;&#x65AD;&#x5904;&#x7406;&#x3002;</p>
<p></p><p class="code-label">os/src/memory/mapping/memory_set.rs</p><p></p>
<pre><code class="lang-rust"><span class="hljs-comment">/// &#x901A;&#x8FC7; elf &#x6587;&#x4EF6;&#x521B;&#x5EFA;&#x5185;&#x5B58;&#x6620;&#x5C04;&#xFF08;&#x4E0D;&#x5305;&#x62EC;&#x6808;&#xFF09;</span>
<span class="hljs-keyword">pub</span> <span class="hljs-function"><span class="hljs-keyword">fn</span> <span class="hljs-title">from_elf</span></span>(file: &amp;ElfFile, is_user: <span class="hljs-keyword">bool</span>) -&gt; MemoryResult&lt;MemorySet&gt; {
    <span class="hljs-comment">// &#x5EFA;&#x7ACB;&#x5E26;&#x6709;&#x5185;&#x6838;&#x6620;&#x5C04;&#x7684; MemorySet</span>
    <span class="hljs-keyword">let</span> <span class="hljs-keyword">mut</span> memory_set = MemorySet::new_kernel()?;

    <span class="hljs-comment">// &#x904D;&#x5386; elf &#x6587;&#x4EF6;&#x7684;&#x6240;&#x6709;&#x90E8;&#x5206;</span>
    <span class="hljs-keyword">for</span> program_header <span class="hljs-keyword">in</span> file.program_iter() {
        <span class="hljs-keyword">if</span> program_header.get_type() != <span class="hljs-literal">Ok</span>(Type::Load) {
            <span class="hljs-keyword">continue</span>;
        }
        <span class="hljs-comment">// &#x4ECE;&#x6BCF;&#x4E2A;&#x5B57;&#x6BB5;&#x8BFB;&#x53D6;&#x300C;&#x8D77;&#x59CB;&#x5730;&#x5740;&#x300D;&#x300C;&#x5927;&#x5C0F;&#x300D;&#x548C;&#x300C;&#x6570;&#x636E;&#x300D;</span>
        <span class="hljs-keyword">let</span> start = VirtualAddress(program_header.virtual_addr() <span class="hljs-keyword">as</span> usize);
        <span class="hljs-keyword">let</span> size = program_header.mem_size() <span class="hljs-keyword">as</span> usize;
        <span class="hljs-keyword">let</span> data: &amp;[<span class="hljs-keyword">u8</span>] =
            <span class="hljs-keyword">if</span> <span class="hljs-keyword">let</span> SegmentData::Undefined(data) = program_header.get_data(file).unwrap() {
                data
            } <span class="hljs-keyword">else</span> {
                <span class="hljs-keyword">return</span> <span class="hljs-literal">Err</span>(<span class="hljs-string">&quot;unsupported elf format&quot;</span>);
            };

        <span class="hljs-comment">// &#x5C06;&#x6BCF;&#x4E00;&#x90E8;&#x5206;&#x4F5C;&#x4E3A; Segment &#x8FDB;&#x884C;&#x6620;&#x5C04;</span>
        <span class="hljs-keyword">let</span> segment = Segment {
            map_type: MapType::Framed,
            range: Range::from(start..(start + size)),
            flags: Flags::user(is_user)
                | Flags::readable(program_header.flags().is_read())
                | Flags::writable(program_header.flags().is_write())
                | Flags::executable(program_header.flags().is_execute()),
        };

        <span class="hljs-comment">// &#x5EFA;&#x7ACB;&#x6620;&#x5C04;&#x5E76;&#x590D;&#x5236;&#x6570;&#x636E;</span>
        memory_set.add_segment(segment, <span class="hljs-literal">Some</span>(data))?;
    }

    <span class="hljs-literal">Ok</span>(memory_set)
}
</code></pre>
<h3 id="&#x52A0;&#x8F7D;&#x6570;&#x636E;&#x5230;&#x5185;&#x5B58;&#x4E2D;">&#x52A0;&#x8F7D;&#x6570;&#x636E;&#x5230;&#x5185;&#x5B58;&#x4E2D;</h3>
<p>&#x601D;&#x8003;&#xFF1A;&#x6211;&#x4EEC;&#x5728;&#x4E3A;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x5EFA;&#x7ACB;&#x6620;&#x5C04;&#x65F6;&#xFF0C;&#x865A;&#x62DF;&#x5730;&#x5740;&#x662F; ELF &#x6587;&#x4EF6;&#x4E2D;&#x5199;&#x660E;&#x7684;&#xFF0C;&#x90A3;&#x7269;&#x7406;&#x5730;&#x5740;&#x662F;&#x7A0B;&#x5E8F;&#x5728;&#x78C1;&#x76D8;&#x4E2D;&#x5B58;&#x50A8;&#x7684;&#x5730;&#x5740;&#x5417;&#xFF1F;&#x8FD9;&#x6837;&#x505A;&#x6709;&#x4EC0;&#x4E48;&#x95EE;&#x9898;&#x5417;&#xFF1F;</p>
<div class="click_reveal"><span> Click to show </span><div><blockquote>
<p>&#x6211;&#x4EEC;&#x5728;&#x6A21;&#x62DF;&#x5668;&#x4E0A;&#x8FD0;&#x884C;&#x53EF;&#x80FD;&#x4E0D;&#x89C9;&#x5F97;&#xFF0C;&#x4F46;&#x662F;&#x5982;&#x679C;&#x76F4;&#x63A5;&#x6620;&#x5C04;&#x78C1;&#x76D8;&#x7A7A;&#x95F4;&#xFF0C;&#x4F7F;&#x7528;&#x65F6;&#x4F1A;&#x5E26;&#x6765;&#x5DE8;&#x5927;&#x7684;&#x5EF6;&#x8FDF;&#xFF0C;&#x6240;&#x4EE5;&#x9700;&#x8981;&#x5728;&#x7A0B;&#x5E8F;&#x51C6;&#x5907;&#x8FD0;&#x884C;&#x65F6;&#xFF0C;&#x5C06;&#x5176;&#x78C1;&#x76D8;&#x4E2D;&#x7684;&#x6570;&#x636E;&#x590D;&#x5236;&#x5230;&#x5185;&#x5B58;&#x4E2D;&#x3002;&#x5982;&#x679C;&#x7A0B;&#x5E8F;&#x8F83;&#x5927;&#xFF0C;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x53EF;&#x80FD;&#x53EA;&#x4F1A;&#x590D;&#x5236;&#x5C11;&#x91CF;&#x6570;&#x636E;&#xFF0C;&#x800C;&#x66F4;&#x591A;&#x7684;&#x5219;&#x5728;&#x9700;&#x8981;&#x65F6;&#x518D;&#x52A0;&#x8F7D;&#x3002;&#x5F53;&#x7136;&#xFF0C;&#x6211;&#x4EEC;&#x5B9E;&#x73B0;&#x7684;&#x7B80;&#x5355;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x5C31;&#x4E00;&#x6B21;&#x6027;&#x5168;&#x90FD;&#x52A0;&#x8F7D;&#x5230;&#x5185;&#x5B58;&#x4E2D;&#x4E86;&#x3002;</p>
<p>&#x800C;&#x4E14;&#xFF0C;&#x5C31;&#x7B97;&#x662F;&#x60F3;&#x8981;&#x76F4;&#x63A5;&#x6620;&#x5C04;&#x78C1;&#x76D8;&#x7A7A;&#x95F4;&#xFF0C;&#x4E5F;&#x4E0D;&#x4E00;&#x5B9A;&#x53EF;&#x884C;&#x3002;&#x8FD9;&#x662F;&#x56E0;&#x4E3A;&#x865A;&#x5B9E;&#x5730;&#x5740;&#x8F6C;&#x6362;&#x65F6;&#xFF0C;&#x9875;&#x5185;&#x504F;&#x79FB;&#x662F;&#x4E0D;&#x53D8;&#x7684;&#x3002;&#x8FD9;&#x662F;&#x5C31;&#x65E0;&#x6CD5;&#x4FDD;&#x8BC1;&#x5728; ELF &#x4E2D;&#x6307;&#x5B9A;&#x7684;&#x5730;&#x5740;&#x548C;&#x5176;&#x5728;&#x78C1;&#x76D8;&#x4E2D;&#x7684;&#x5730;&#x5740;&#x6EE1;&#x8DB3;&#x8FD9;&#x6837;&#x7684;&#x5173;&#x7CFB;&#x3002;</p>
</blockquote>
</div></div>

<p><br></p>
<p>&#x6211;&#x4EEC;&#x5C06;&#x4FEE;&#x6539; <code>Mapping::map</code> &#x51FD;&#x6570;&#xFF0C;&#x4E3A;&#x5176;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x53C2;&#x6570;&#x8868;&#x793A;&#x7528;&#x4E8E;&#x521D;&#x59CB;&#x5316;&#x7684;&#x6570;&#x636E;&#x3002;&#x5728;&#x5B9E;&#x73B0;&#x65F6;&#xFF0C;&#x6709;&#x4E00;&#x4E9B;&#x91CD;&#x8981;&#x7684;&#x7EC6;&#x8282;&#x9700;&#x8981;&#x8003;&#x8651;&#x3002;</p>
<ul>
<li>&#x56E0;&#x4E3A;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x7684;&#x5185;&#x5B58;&#x5206;&#x914D;&#x662F;&#x52A8;&#x6001;&#x7684;&#xFF0C;&#x5176;&#x5206;&#x914D;&#x5230;&#x7684;&#x7269;&#x7406;&#x9875;&#x9762;&#x4E0D;&#x4E00;&#x5B9A;&#x8FDE;&#x7EED;&#xFF0C;&#x6240;&#x4EE5;&#x5FC5;&#x987B;&#x5355;&#x72EC;&#x8003;&#x8651;&#x6BCF;&#x4E00;&#x4E2A;&#x9875;&#x9762;</li>
<li>&#x6BCF;&#x4E00;&#x4E2A;&#x5B57;&#x6BB5;&#x7684;&#x957F;&#x5EA6;&#x4E0D;&#x4E00;&#x5B9A;&#x662F;&#x9875;&#x5927;&#x5C0F;&#x7684;&#x500D;&#x6570;&#xFF0C;&#x6240;&#x4EE5;&#x9700;&#x8981;&#x8003;&#x8651;&#x4E0D;&#x8DB3;&#x4E00;&#x4E2A;&#x9875;&#x65F6;&#x7684;&#x590D;&#x5236;&#x60C5;&#x51B5;</li>
<li>&#x7A0B;&#x5E8F;&#x6709;&#x4E00;&#x4E2A; bss &#x6BB5;&#xFF0C;&#x5B83;&#x5728; ELF &#x4E2D;&#x4E0D;&#x4FDD;&#x5B58;&#x6570;&#x636E;&#xFF0C;&#x800C;&#x5176;&#x5728;&#x52A0;&#x8F7D;&#x5230;&#x5185;&#x5B58;&#x662F;&#x9700;&#x8981;&#x96F6;&#x521D;&#x59CB;&#x5316;</li>
<li>&#x5BF9;&#x4E8E;&#x4E00;&#x4E2A;&#x9875;&#x9762;&#xFF0C;&#x6709;&#x5176;<strong>&#x7269;&#x7406;&#x5730;&#x5740;</strong>&#x3001;<strong>&#x865A;&#x62DF;&#x5730;&#x5740;</strong>&#x548C;<strong>&#x5F85;&#x52A0;&#x8F7D;&#x6570;&#x636E;&#x7684;&#x5730;&#x5740;</strong>&#x3002;&#x6B64;&#x65F6;&#xFF0C;&#x662F;&#x4E0D;&#x662F;&#x76F4;&#x63A5;&#x4ECE;<strong>&#x5F85;&#x52A0;&#x8F7D;&#x6570;&#x636E;&#x7684;&#x5730;&#x5740;</strong>&#x62F7;&#x8D1D;&#x5230;&#x9875;&#x9762;&#x7684;<strong>&#x865A;&#x62DF;&#x5730;&#x5740;</strong>&#xFF0C;&#x5982;&#x540C; <code>memcpy</code> &#x4E00;&#x6837;&#x5C31;&#x53EF;&#x4EE5;&#x5462;&#xFF1F;</li>
</ul>
<div class="click_reveal"><span> Click to show </span><div><blockquote>
<p>&#x5728;&#x76EE;&#x524D;&#x7684;&#x6846;&#x67B6;&#x4E2D;&#xFF0C;&#x53EA;&#x6709;&#x5F53;&#x7EBF;&#x7A0B;&#x5C06;&#x8981;&#x8FD0;&#x884C;&#x65F6;&#xFF0C;&#x624D;&#x4F1A;&#x52A0;&#x8F7D;&#x5176;&#x9875;&#x8868;&#x3002;&#x56E0;&#x6B64;&#xFF0C;&#x9664;&#x975E;&#x6211;&#x4EEC;&#x989D;&#x5916;&#x7684;&#x5728;&#x6BCF;&#x6620;&#x5C04;&#x4E00;&#x4E2A;&#x9875;&#x9762;&#x4E4B;&#x540E;&#xFF0C;&#x5C31;&#x66F4;&#x65B0;&#x4E00;&#x6B21;&#x9875;&#x8868;&#x5E76;&#x4E14;&#x5237;&#x65B0; TLB&#xFF0C;&#x5426;&#x5219;&#x6B64;&#x65F6;&#x7684;<strong>&#x865A;&#x62DF;&#x5730;&#x5740;</strong>&#x662F;&#x65E0;&#x6CD5;&#x8BBF;&#x95EE;&#x7684;&#x3002;</p>
<p>&#x4F46;&#x662F;&#xFF0C;&#x6211;&#x4EEC;&#x901A;&#x8FC7;&#x5206;&#x914D;&#x5668;&#x5F97;&#x5230;&#x4E86;&#x9875;&#x9762;&#x7684;<strong>&#x7269;&#x7406;&#x5730;&#x5740;</strong>&#xFF0C;&#x800C;&#x8FD9;&#x4E2A;&#x7269;&#x7406;&#x5730;&#x5740;&#x5B9E;&#x9645;&#x4E0A;&#x5DF2;&#x7ECF;&#x5728;&#x5185;&#x6838;&#x7684;&#x7EBF;&#x6027;&#x6620;&#x5C04;&#x5F53;&#x4E2D;&#x4E86;&#x3002;&#x6240;&#x4EE5;&#xFF0C;&#x8FD9;&#x91CC;&#x5B9E;&#x9645;&#x4E0A;&#x7528;&#x7684;&#x662F;<strong>&#x7269;&#x7406;&#x5730;&#x5740;</strong>&#x6765;&#x5199;&#x5165;&#x6570;&#x636E;&#x3002;</p>
</blockquote>
</div></div>

<p><br></p>
<p>&#x5177;&#x4F53;&#x7684;&#x5B9E;&#x73B0;&#xFF0C;&#x53EF;&#x4EE5;&#x67E5;&#x770B; <code>os/src/memory/mapping/mapping.rs</code> &#x4E2D;&#x7684; <code>Mapping::map</code> &#x51FD;&#x6570;&#x3002;</p>
<h3 id="&#x8FD0;&#x884C;-hello-world&#xFF1F;">&#x8FD0;&#x884C; Hello World&#xFF1F;</h3>
<p>&#x73B0;&#x5728;&#xFF0C;&#x6211;&#x4EEC;&#x5C31;&#x53EF;&#x4EE5;&#x5728;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x4E2D;&#x8FD0;&#x884C;&#x78C1;&#x76D8;&#x955C;&#x50CF;&#x4E2D;&#x7684;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x4E86;&#xFF0C;&#x4EE3;&#x7801;&#x793A;&#x4F8B;&#x5982;&#x4E0B;&#xFF1A;</p>
<p></p><p class="code-label">os/src/main.rs</p><p></p>
<pre><code class="lang-rust"><span class="hljs-comment">// &#x4ECE;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x4E2D;&#x627E;&#x5230;&#x7A0B;&#x5E8F;</span>
<span class="hljs-keyword">let</span> app = fs::ROOT_INODE.find(<span class="hljs-string">&quot;hello_world&quot;</span>).unwrap();
<span class="hljs-comment">// &#x8BFB;&#x53D6;&#x6570;&#x636E;</span>
<span class="hljs-keyword">let</span> data = app.readall().unwrap();
<span class="hljs-comment">// &#x89E3;&#x6790; ELF &#x6587;&#x4EF6;</span>
<span class="hljs-keyword">let</span> elf = ElfFile::new(data.as_slice()).unwrap();
<span class="hljs-comment">// &#x5229;&#x7528; ELF &#x6587;&#x4EF6;&#x521B;&#x5EFA;&#x7EBF;&#x7A0B;&#xFF0C;&#x6620;&#x5C04;&#x7A7A;&#x95F4;&#x5E76;&#x52A0;&#x8F7D;&#x6570;&#x636E;</span>
<span class="hljs-keyword">let</span> process = Process::from_elf(&amp;elf, <span class="hljs-literal">true</span>).unwrap();
<span class="hljs-comment">// &#x518D;&#x4ECE; ELF &#x4E2D;&#x8BFB;&#x51FA;&#x7A0B;&#x5E8F;&#x5165;&#x53E3;&#x5730;&#x5740;</span>
<span class="hljs-keyword">let</span> thread = Thread::new(process, elf.header.pt2.entry_point() <span class="hljs-keyword">as</span> usize, <span class="hljs-literal">None</span>).unwrap();
<span class="hljs-comment">// &#x6DFB;&#x52A0;&#x7EBF;&#x7A0B;</span>
PROCESSOR.lock().add_thread(thread);
</code></pre>
<p>&#x53EF;&#x60DC;&#x7684;&#x662F;&#xFF0C;&#x6211;&#x4EEC;&#x4E0D;&#x80FD;&#x50CF;&#x5185;&#x6838;&#x7EBF;&#x7A0B;&#x4E00;&#x6837;&#x5728;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x4E2D;&#x76F4;&#x63A5;&#x4F7F;&#x7528; <code>print</code>&#x3002;&#x524D;&#x8005;&#x662F;&#x57FA;&#x4E8E; OpenSBI &#x7684;&#x673A;&#x5668;&#x6001; SBI &#x8C03;&#x7528;&#xFF0C;&#x800C;&#x4E3A;&#x4E86;&#x8BA9;&#x7528;&#x6237;&#x7A0B;&#x5E8F;&#x80FD;&#x591F;&#x6253;&#x5370;&#x5B57;&#x7B26;&#xFF0C;&#x6211;&#x4EEC;&#x8FD8;&#x9700;&#x8981;&#x5728;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x4E2D;&#x5B9E;&#x73B0;&#x7CFB;&#x7EDF;&#x8C03;&#x7528;&#x6765;&#x7ED9;&#x7528;&#x6237;&#x8FDB;&#x7A0B;&#x63D0;&#x4F9B;&#x670D;&#x52A1;&#x3002;</p>
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